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JVC VF-P116U Service Manual

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SERVICE MANUAL
VF-P116 is modified from following serial number to use the case and the PCBs
commonly with the VF-P116W. VF-P116 (A) is indicated on the serial no. plate.
VF-P116U
VF-P116E
This service manual is exclusively for VF-P116 (A) only.
100% recycled paper
VIEWFINDER
VF-P116U ( A )
VF-P116E ( A )
xxxx0781 and after
xxxx2051 and after
COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.
No. 60109B
December 2000

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  Summary of Contents for JVC VF-P116U

  • Page 1 SERVICE MANUAL VIEWFINDER VF-P116U ( A ) VF-P116E ( A ) VF-P116 is modified from following serial number to use the case and the PCBs commonly with the VF-P116W. VF-P116 (A) is indicated on the serial no. plate. VF-P116U xxxx0781 and after...
  • Page 2 3. CHART AND DIAGRAM ............................. 6 4. EXPLODED VIEW AND PARTS LIST ........................8 5. ELECTRICAL PARTS LIST ..........................10 6. PACKING ................................12 COMPARISON WITH PREVIOUS MODEL DIFFERENCE OF EXTERNAL VIEW VF-P116U/E VF-P116U(A)/E(A) DESCRIPTION TALLY LED 4 LEDs 2 LEDs with white cover...
  • Page 3 SECTION 1 DISASSEMBLY 1.1 REMOVAL OF COVER 1.2 REMOVAL OF CRT ˆ Å 1. Remove three screws and detach the slide base 1. Open the bottom cover referring to “1.1 REMOVAL OF COVER”. Î 2. Remove two screws from on the mirror case and pull Å...
  • Page 4 ˝ 5. Remove the CRT socket ˝ Ó Fig. 1-6 Fig. 1-9 6. Shortcircuit the anode of the CRT to the chassis or the FBT Ó cover for discharge, and then disconnect the anode plug 1.3 REMOVAL OF MAIN BOARD Note: The anodic electrode is located inside the rubber 1.
  • Page 5 SECTION 2 ELECTRICAL ADJUSTMENT 2.1 ARTICLES REQUIRED FOR ADJUSTMENT 2.1.2 Other necessities for adjustment Camara and lens 2.1.1 Measuring instruments necessary for adjustment Resolution chart or registration chart Measuring instrument Requirement Capable of measuring 10MHz or higher Oscilloscope • Adjustment by 4:3 mode bands, and calibrated Readable in 8 or more digits.
  • Page 6 Measuring point ( * ) Measuring Adjustment parts ( - ) Item instruments & Adjustment procedure Adjustment level ( + ) Input signals 2.3 CHECK OF SUPPLY VOLTAGE * Between pin 5 of CN1 and 12V supply • Digital voltmeter 1) Check to see if the specified voltage is meas- voltage check GND [MAIN]...
  • Page 7 Measuring point ( * ) Measuring point ( * ) Measuring Measuring Item instruments & Adjustment parts ( - ) Adjustment procedure Adjustment parts ( - ) Item instruments & Adjustment procedure Adjustment level ( + ) Adjustment level ( + ) Input signals Input signals 2.7 ADJUSTMENT OF CENTERING...
  • Page 8 VICTOR COMPANY OF JAPAN, LIMITED Printed in Japan (S), C.Y...
  • Page 9 TALLY PORTABLE CART WARNING (symbol provided by RETAC) PEAKING CONT BRIGHT ® ®...
  • Page 10 BATT ALARM...
  • Page 11 January. 1999 No. 60121 Service Manual VIEWFINDER VF-P116WU MODEL VF-P116WE MODEL VICTOR COMPANY OF JAPAN, LIMITED...
  • Page 12 No. 60121 Service Manual VF-P116W MODEL...
  • Page 13: Table Of Contents

    TABLE OF CONTENTS Section Title Page INSTRUCTIONS 1. DISASSEMBLY ..............................1 2. ELECTRICAL ADJUSTMENT ..........................3 3. CHART AND DIAGRAM ............................. 6 4. EXPLODED VIEW AND PARTS LIST ........................8 5. ELECTRICAL PARTS LIST ..........................10 6. REPACKING ..............................12 COPYRIGHT ©...
  • Page 14: Disassembly

    SECTION 1 DISASSEMBLY 1.1 REMOVAL OF COVER 1.2 REMOVAL OF CRT ˆ Å 1. Remove three screws and detach the slide base 1. Open the bottom cover referring to “1.1 REMOVAL OF COVER”. Î 2. Remove two screws from on the mirror case and pull Å...
  • Page 15 ˝ 5. Remove the CRT socket ˝ Ó Fig. 1-6 Fig. 1-9 6. Shortcircuit the anode of the CRT to the chassis or the FBT Ó cover for discharge, and then disconnect the anode plug 1.3 REMOVAL OF MAIN BOARD Note: The anodic electrode is located inside the rubber 1.
  • Page 16: Electrical Adjustment

    SECTION 2 ELECTRICAL ADJUSTMENT 2.1 ARTICLES REQUIRED FOR ADJUSTMENT 2.1.2 Other necessities for adjustment Camara and lens 2.1.1 Measuring instruments necessary for adjustment Resolution chart or registration chart Measuring instrument Requirement Capable of measuring 10MHz or higher Oscilloscope • Adjustment by 4:3 mode bands, and calibrated Readable in 8 or more digits.
  • Page 17 Measuring point ( * ) Measuring Adjustment parts ( - ) Item instruments & Adjustment procedure Adjustment level ( + ) Input signals 2.3 CHECK OF SUPPLY VOLTAGE * Between pin 5 of CN1 and 12V supply • Digital voltmeter 1) Check to see if the specified voltage is meas- voltage check GND [MAIN]...
  • Page 18 Measuring point ( * ) Measuring point ( * ) Measuring Measuring Item instruments & Adjustment parts ( - ) Adjustment procedure Adjustment parts ( - ) Item instruments & Adjustment procedure Adjustment level ( + ) Adjustment level ( + ) Input signals Input signals 2.7 ADJUSTMENT OF CENTERING...
  • Page 19: Chart And Diagram

    SECTION  3 CHARTS  AND  DIAGRAM UNLESS  OTHERWISE  SPECIFIED PNP TRANSISTORS :  MSA1022(C) NPN TRANSISTORS :  MSC2295(C) VF-P116 ( A )   SCHEMATIC  DIAGRAM RESISTORS :  1/10W MARKED  PARTS :  NOT  MOUNTED Voltage  and  waveform  weasurements. ・Voltage  :  Measured  with  digital  volt  meter  ...
  • Page 20 CIRCUIT  BOARDS MAIN  BOARD   SIDE  B  C214 C111 R601 VR  BOARD TOPTALLY  BOARD   SIDE  B    SIDE  B ...
  • Page 21: Exploded View And Parts List

    4.1 VF-P116W ASSEMBLY SAFETY PRECAUTION Parts identified by the ! symbol are critlcal for safety. Replace only with speclfled parts numbers. NOTE Parts not denoted by parts numbers are not supplled by JVC. TOP TALLY BOARD MAIN BOARD VF BOARD...
  • Page 22 VF-P116W ASSEMBLY PARTS LIST M 1 M M ` ` ` ` Symbol Symbol Part No. Part Name Description Part No. Part Name Description 1 SC31312-012 CRT HOLDER1 S6 QYSPSA2006M SCREW M2 x 6 2 SC31312-011 CRT HOLDER S7 QYSDSP2006M SCREW M2 x 6 3 SCV1273-001...
  • Page 23 SECTION 6 REPACKING INSTRUCTIONS SC96839 IMPORT. SAFEG. SC96412-001 Cushion (U type only) SHEET Cushion Carton box Note: Accessories above are subject to change without notice.
  • Page 24: Electrical Parts List

    R107 NRSA02J-561X M.G.RESISTOR 1/10W R601 NRSA02J-182X M.G.RESISTOR 1.8k 1/10W ● The electrical parts numbers listed on the manual are organized by new JVC standard parts system. R108 NRSA02J-102X M.G.RESISTOR 1/10W R109 NRSA02J-102X M.G.RESISTOR 1/10W The new parts numbers are different from previous numbers, even if the components are same.
  • Page 25 5.2 VR BOARD ASSEMBLY PARTS LIST 0 2 ` ` ` ` ` ` SCK2554-02-W0A Symbol Symbol Part No. Part Name Description Part No. Part Name Description C110 NCB11CK-105X CER.CAPACITOR Q501 2SD874/QR/-X TRANSISTOR MATSUSHITA C111 QER61HM-105Z E.CAPACITOR C112 NBE21CM-225X TAN.CAPACITOR C113 QEXC1CM-476Z E.CAPACITOR...

This manual is also suitable for:

Vf-p116eVf-p116uaVf-p116weVf-p116wVf-p116eaVf-p116wu